2022
Quantitative epileptiform burden and electroencephalography background features predict post-traumatic epilepsy
Chen Y, Li S, Ge W, Jing J, Chen HY, Doherty D, Herman A, Kaleem S, Ding K, Osman G, Swisher CB, Smith C, Maciel CB, Alkhachroum A, Lee JW, Dhakar MB, Gilmore EJ, Sivaraju A, Hirsch LJ, Omay SB, Blumenfeld H, Sheth KN, Struck AF, Edlow BL, Westover MB, Kim JA. Quantitative epileptiform burden and electroencephalography background features predict post-traumatic epilepsy. Journal Of Neurology Neurosurgery & Psychiatry 2022, 94: 245-249. PMID: 36241423, PMCID: PMC9931627, DOI: 10.1136/jnnp-2022-329542.Peer-Reviewed Original ResearchConceptsPost-traumatic epilepsyTraumatic brain injuryCT abnormalitiesElectroencephalography featuresAdmission Glasgow Coma Scale scoreGlasgow Coma Scale scoreRetrospective case-control studyMultivariable logistic regression analysisRisk stratification modelCase-control studyLogistic regression analysisTBI admissionsSevere complicationsFuture trialsBrain injuryCT reportsSeizure diagnosisPredictive valueScale scorePatientsLogistic regressionStratification modelQuantitative electroencephalogramTBI mechanismsRegression analysis
2020
Detecting Seizures and Epileptiform Abnormalities in Acute Brain Injury
Singla S, Garcia GE, Rovenolt GE, Soto AL, Gilmore EJ, Hirsch LJ, Blumenfeld H, Sheth KN, Omay SB, Struck AF, Westover MB, Kim JA. Detecting Seizures and Epileptiform Abnormalities in Acute Brain Injury. Current Neurology And Neuroscience Reports 2020, 20: 42. PMID: 32715371, PMCID: PMC9353690, DOI: 10.1007/s11910-020-01060-4.Peer-Reviewed Original ResearchConceptsIctal-interictal continuumBrain injuryAcute brain injuryBetter clinical outcomesTraumatic brain injuryRecent FindingsCurrent literatureIncreased morbidityClinical outcomesEpileptiform abnormalitiesEEG findingsMortality riskEEG monitoringEpileptiform patternsPrognostic modelSeizuresClinical settingInjuryLogistical barriersElectroencephalogram studyUse of EEGABIPractical barriersEEG analysisEEGMorbidityValidation of the 2HELPS2B Seizure Risk Score in Acute Brain Injury Patients
Moffet EW, Subramaniam T, Hirsch LJ, Gilmore EJ, Lee JW, Rodriguez-Ruiz AA, Haider HA, Dhakar MB, Jadeja N, Osman G, Gaspard N, Struck AF. Validation of the 2HELPS2B Seizure Risk Score in Acute Brain Injury Patients. Neurocritical Care 2020, 33: 701-707. PMID: 32107733, DOI: 10.1007/s12028-020-00939-x.Peer-Reviewed Original ResearchConceptsAcute brain injuryClinical factorsContinuous EEG monitoringTraumatic brain injurySeizure incidenceEEG findingsClinical seizuresPrimary outcomeSubdural hematomaBrain injuryEEG monitoringAcute brain injury patientsRisk of seizuresBrain injury patientsReceiver operator characteristic curveOperator characteristic curveABI patientsPatient ageHospitalized patientsElectrographic seizuresInjury patientsIntraparenchymal hemorrhageClinical findingsSubarachnoid hemorrhageResultsA total
2018
The epilepsy bioinformatics study for anti-epileptogenic therapy (EpiBioS4Rx) clinical biomarker: Study design and protocol
Vespa PM, Shrestha V, Abend N, Agoston D, Au A, Bell MJ, Bleck TP, Blanco MB, Claassen J, Diaz-Arrastia R, Duncan D, Ellingson B, Foreman B, Gilmore EJ, Hirsch L, Hunn M, Kamnaksh A, McArthur D, Morokoff A, O'Brien T, O'Phelan K, Robertson CL, Rosenthal E, Staba R, Toga A, Willyerd FA, Zimmermann L, Yam E, Martinez S, Real C, Engel J. The epilepsy bioinformatics study for anti-epileptogenic therapy (EpiBioS4Rx) clinical biomarker: Study design and protocol. Neurobiology Of Disease 2018, 123: 110-114. PMID: 30048805, PMCID: PMC6344322, DOI: 10.1016/j.nbd.2018.07.025.Peer-Reviewed Original ResearchConceptsPost-traumatic epilepsyTraumatic brain injuryIncidence of PTELongitudinal prospective observational studyAnti-epileptogenic therapiesEpilepsy Bioinformatics StudyProspective observational studyFuture interventional studiesModerate-severe TBI patientsHemorrhagic contusionAcute evaluationTBI patientsBlood biomarkersDiscovery of biomarkersInterventional studyBrain injuryElectroencephalographic monitoringObservational studyInternational cohortAnimal modelsClinical biomarkersStudy designBiomarkersMultidisciplinary approachNational Institute
2017
Commonalities in epileptogenic processes from different acute brain insults: Do they translate?
Klein P, Dingledine R, Aronica E, Bernard C, Blümcke I, Boison D, Brodie MJ, Brooks‐Kayal A, Engel J, Forcelli PA, Hirsch LJ, Kaminski RM, Klitgaard H, Kobow K, Lowenstein DH, Pearl PL, Pitkänen A, Puhakka N, Rogawski MA, Schmidt D, Sillanpää M, Sloviter RS, Steinhäuser C, Vezzani A, Walker MC, Löscher W. Commonalities in epileptogenic processes from different acute brain insults: Do they translate? Epilepsia 2017, 59: 37-66. PMID: 29247482, PMCID: PMC5993212, DOI: 10.1111/epi.13965.Peer-Reviewed Original ResearchConceptsAcute brain insultsAnimal modelsPrevention therapyBrain insultsBrain injuryInjury etiologyHuman epilepsyClinical testingCentral nervous system infectionFluid percussion injury modelTemporal lobe epilepsy patientsPost-status epilepticus modelDisease modification strategiesNervous system infectionMolecular targetsBetter patient selectionInflammatory cellular infiltrateLoss of neuronsWeeks of injuryBlood-brain barrierTraumatic brain injuryPreclinical animal modelsGap junction couplingCommon histopathologicEpilepsy prevention
2015
The enigma of the latent period in the development of symptomatic acquired epilepsy — Traditional view versus new concepts
Löscher W, Hirsch LJ, Schmidt D. The enigma of the latent period in the development of symptomatic acquired epilepsy — Traditional view versus new concepts. Epilepsy & Behavior 2015, 52: 78-92. PMID: 26409135, DOI: 10.1016/j.yebeh.2015.08.037.Peer-Reviewed Original ResearchConceptsBrain injuryLatent periodBrain insultsAnimal modelsMajor unmet clinical needPre-epileptic stateProcess of epileptogenesisUnderstanding of epileptogenesisTraumatic brain injuryUnmet clinical needAntiepileptogenic agentsAntiepileptogenic treatmentsSymptomatic epilepsyHuman epilepsyTrial designFunctional alterationsEpileptogenesisEpilepsySubclinical epilepsyClinical needInjuryPatientsRecent dataInsultPeriod
2008
Nonconvulsive Seizures in Traumatic Brain Injury: What You Don't See Can Hurt You
Hirsch LJ. Nonconvulsive Seizures in Traumatic Brain Injury: What You Don't See Can Hurt You. Epilepsy Currents 2008, 8: 97-99. PMID: 18596875, PMCID: PMC2442151, DOI: 10.1111/j.1535-7511.2008.00254.x.Peer-Reviewed Original ResearchLactate/pyruvate ratioPost-traumatic seizuresMicrodialysis lactate/pyruvate ratioTraumatic brain injury patientsBrain injury patientsIntracranial pressureTraumatic brain injuryPyruvate ratioSeizure groupInjury patientsBrain injuryMean lactate/pyruvate ratioSevere traumatic brain injury patientsNeurologic intensive care unitTraumatic brain injury (TBI) resultsHighest mean intracranial pressureIntensive care unitBrain injury resultsMean intracranial pressureRetrospective data analysisNonseizure patientsCerebral microdialysisNonconvulsive seizuresStatus epilepticusCare unit